Sergey Mikhailovich Bogdanchikov (in Russian: Серге́й Михайлович Богданчиков, born August 10, 1957, in Severny District, Orenburg Oblast, Soviet Union) is a Russian manager, owner of Fortinvest Investments Holding.

In 1981, Bogdanchikov earned a PhD (Kandidat Nauk) from Ufa Gas Institute.

According to the newspaper, the reason for Bogdanchikov's exclusion was his failure to pay membership fees for the year in the amount of 300,000 rubles.

According to another version, the removal from the board took place at the personal request of Bogdanchikov, who cited a lack of financial resources during the crisis.

[3] Bogdanchikov's son, Yevgeny, married Viktor Khristenko's daughter, Yulia in the Spring of 2004.